Wave travels at 30m/s through a certain medium. If 10waves pass a certain point per second find (a)the frequency(b) the wavelength

Темирказык жулдызынын жулдыздык шамасы 2,02, ал веганын жулдыздык шамасы 0,03. осылардын кайсысы жарык жане неше есе жарык?

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.

Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)